fsCNativeTextSprite.h

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/********************************************************************
*
*       File:           fsCNativeTextSprite.h
*
*       Purpose:        bgfx retained text sprite - needs to be added
*                               to a scene
*
*********************************************************************/
 
#ifndef fsCNativeTextSpriteehdr
#define fsCNativeTextSpriteehdr
 
#include <fsCore/fsBaseTypes.h>
#include <fsCore/fsRect.h>
#include <fsCore/fsStr.h>
#include <fsCore/fsSColour.h>
 
#include "src/components/fsITextSpriteComponent.h"
#include "fsINative.h"
#include "fsCBgfx2d.h"
 
class fsCFont;
class fsIFont;
class fsSColour;
class fsStr;
 
 
class fsCNativeTextSprite : public fsINative
{
        friend class fsCNativeTextSpriteRenderData;
 
public:
 
        void outlineSet(const fsSColour4B& pOutline, fsF32 pSize) const;
        void shadowSet(const fsSColour4B& pShadow, fsVec2d pOffset, fsF32 pBlurRadius) const;
        void glowSet(const fsSColour4B& pGlow) const;
 
        void alignmentSet(fsS32 pAlignH, fsS32 pAlignV);
        void initialise(const fsStr& pText, fsIFont* pFont);
 
        fsS32 stringWidthInPixelsGet() const;
        fsS32 stringHeightInPixelsGet() const;
 
        void formattingRectSizeSet(const fsRect& pFormattingRect);
        fsStr textGet() const;
        void textSet(const fsStr& pText);
 
        virtual ~fsCNativeTextSprite();
 
protected:
 
        void renderDo() override;
        void colourSetDo(const fsSColour4B& pColour) override;
 
        fsCNativeTextSprite();
 
private:
 
        typedef fsITextSpriteComponent::eHORIZONTAL_ALIGNMENT fsTHorizontalAlign;
        typedef fsITextSpriteComponent::eVERTICAL_ALIGNMENT fsTVerticalAlign;
 
        struct fsSRect
        {
                fsF32 mX = 0;
                fsF32 mY = 0;
                fsF32 mWidth = 0;
                fsF32 mHeight = 0;
        };
 
        fsS32 lineCountGet(const char* pText) const;
 
        fsF32 lineStart(fsF32 pLineWidth) const;
        void drawTextBoxed(const char* pText, fsBool pWordWrap, const fsSColour4B& pTint);
        void glyphAdd(fsS32 pCodepoint, fsF32 pPenX, fsF32 pBaselineY, fsU32 pColourAbgr);
        fsF32 glyphWidthGet(fsS32 pCodepoint) const;
        void positionRecompute();
 
        fsTHorizontalAlign mHorizontalAlignment = fsTHorizontalAlign::eHALIGN_CENTRE;
        fsTVerticalAlign mVerticalAlignment = fsTVerticalAlign::eVALIGN_MIDDLE;
 
        fsRect mBoundingBox;
        fsStr mText;
        fsCFont* mFont;
 
        fsSRect mRect;
        fsSColour4B mTint;
};
 
#endif